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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef MOUSEHELPER_H
#define MOUSEHELPER_H
#include <QtCore/qobject.h>
#include <QtCore/qpoint.h>
#include <QtCore/qtimer.h>
class MouseHelper : public QObject
{
Q_OBJECT
public:
explicit MouseHelper(QObject *parent = nullptr);
~MouseHelper() {};
Q_INVOKABLE void startUnboundedDrag();
Q_INVOKABLE void endUnboundedDrag();
Q_INVOKABLE QPoint delta();
private Q_SLOTS:
void resetCursor();
private:
QPoint m_startPos;
QPoint m_referencePoint;
QPoint m_previousPoint;
QTimer m_cursorResetTimer;
enum DragState {
StateNotDragging,
StateDragging,
StateEndingDrag
};
DragState m_dragState;
};
#endif // MOUSEHELPER_H
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